:::
Browsing this Thread:
1 Anonymous Users
|
Re: 3相inverter選用dsPIC的問題
|
||||
|---|---|---|---|---|
|
版主
 
|
dsPIC33FJ16GS504或 gs4xx, gs502 看看: PWM 有支援MC PWM 及SMPS PWM高速ADC
: : High-Speed PWM Module Features Up to Four PWM Generators with Four to Eight Outputs Dead Time for Rising and Falling Edges Duty Cycle Resolution of 1.04 ns for Dead-Time, Phase Shift, and Frequency Supported PWM modes: Standard Edge-Aligned, True Independent Output, Complementary, Center-Aligned, Push-Pull, Multi-Phase, Variable Phase, Fixed Off-Time, Current Reset, and Current-Limit PWMxL, PWMxH Output Pin Swapping PWM4H, PWM4L Pins Remappable On-the-Fly PWM Frequency, Duty Cycle and Phase Shift Changes High-Speed Analog Comparator Up to Four Analog Comparators 20 ns response time 10-bit DAC for each analog comparator DACOUT pin to provide DAC output High-Speed 10-Bit ADC 10-Bit Resolution Up to 12 Input Channels Grouped into Six Conversion Pairs 4 Msps or 2 Msps Conversion rate Independent Trigger Source Section for each Analog Input Conversion Pair : : http://www.microchip.com/wwwproducts/ ... es.aspx?dDocName=en537165
發表於: 2009/8/18 16:19
|
|||
|
||||
|
3相inverter選用dsPIC的問題
|
||||
|---|---|---|---|---|
|
新會員
 
|
各位好:
上次承蒙提示，dsPIC30F2020的Sleep_mode以及如何利用Comparator中斷叫醒地問題，已經順利解決，先感謝大家幫忙。 接著目前小弟要做3相inverter，然而希望A/D轉換的速度能達到2000(ksps)，然後30F4011以及許多33F系列(有三相PWM)的A/D轉換最高只有到1100(ksps)，所以想請問大家，有沒有A/D轉換夠快，又能夠做三相PWM(上下臂高低頻)的chip。 謝謝!
發表於: 2009/8/18 11:06
|
|||
|
||||
You can view topic.
你 不可以 發起新主題
You cannot reply to posts.
You cannot edit your posts.
You cannot delete your posts.
You cannot add new polls.
You cannot vote in polls.
You cannot attach files to posts.
You cannot post without approval.
You cannot use topic type.
You cannot use HTML syntax.
You cannot use signature.
You cannot create PDF files.
You cannot get print page.
